diff mbox series

[v2,33/35] powerpc/64: Make COMPAT user-selectable disabled on littleendian by default.

Message ID 6e40c3f6cb96c6149f4a35a41375827d459e4452.1574798487.git.msuchanek@suse.de (mailing list archive)
State Superseded
Headers show
Series exception cleanup, syscall in C and !COMPAT | expand

Checks

Context Check Description
snowpatch_ozlabs/apply_patch warning Failed to apply on branch powerpc/merge (2ec2260ce7bce5eb6a8ced0bb78d75c1b3eca306)
snowpatch_ozlabs/apply_patch warning Failed to apply on branch powerpc/next (8dcd71b45df34d9b903450fab147ee8c1e6c16b5)
snowpatch_ozlabs/apply_patch success Successfully applied on branch linus/master (2be7d348fe924f0c5583c6a805bd42cecda93104)
snowpatch_ozlabs/checkpatch success total: 0 errors, 0 warnings, 0 checks, 11 lines checked
snowpatch_ozlabs/needsstable success Patch has no Fixes tags

Commit Message

Michal Suchánek Nov. 26, 2019, 8:13 p.m. UTC 
On bigendian ppc64 it is common to have 32bit legacy binaries but much
less so on littleendian.

Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
v3: make configurable
---
 arch/powerpc/Kconfig | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 3e56c9c2f16e..825528db2921 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -266,8 +266,9 @@  config PANIC_TIMEOUT
 	default 180
 
 config COMPAT
-	bool
-	default y if PPC64
+	bool "Enable support for 32bit binaries"
+	depends on PPC64
+	default y if !CPU_LITTLE_ENDIAN
 	select COMPAT_BINFMT_ELF
 	select ARCH_WANT_OLD_COMPAT_IPC
 	select COMPAT_OLD_SIGACTION